Home / 2,014.36-3,021.62-715.80

Finding the Fourth Proportional to 2,014.36, 3,021.62 and 715.80

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Solution

The fourth proportional to 2,014.36, 3,021.62 and 715.80 is: 1,073.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,014.36 : 3,021.62 = 715.80 : x
  2. Step 2: Convert to fraction form
    2,014.36/3,021.62 = 715.80/x
  3. Step 3: Cross multiply
    2,014.36x = 3,021.62 × 715.80
  4. Step 4: Simplify right side
    2,014.36x = 2,162,875.60
  5. Step 5: Solve for x
    x = 2,162,875.60/2,014.36
  6. Step 6: Final answer
    x = 1,073.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.